Distance Calculation between a Point and a Subdivision Surface. - Torsten Ullrich; Volker Settgast; Ulrich Krispel; Christoph Fünfzig; Dieter W. Fellner (VMV, 2007)

Compilation of procedural models. - Torsten Ullrich; Ulrich Krispel; Dieter W. Fellner (Web3D, 2008)

A GML shape grammar for semantically enriched 3D building models. - Bernhard Hohmann; Sven Havemann; Ulrich Krispel; Dieter W. Fellner (Comput. Graph., 2010)

Irregular lattices for complex shape grammar facade parsing. - Hayko Riemenschneider; Ulrich Krispel; Wolfgang Thaller; Michael Donoser; Sven Havemann; Dieter W. Fellner; Horst Bischof (CVPR, 2012)

Deformation-Aware Split Grammars for Architectural Models. - René Zmugg; Wolfgang Thaller; Ulrich Krispel; Johannes Edelsbrunner; Sven Havemann; Dieter W. Fellner (CW, 2013)

Shape grammars on convex polyhedra. - Wolfgang Thaller; Ulrich Krispel; René Zmugg; Sven Havemann; Dieter W. Fellner (Comput. Graph., 2013)

Constructive Roof Geometry. - Johannes Edelsbrunner; Ulrich Krispel; Sven Havemann; Alexei Sourin; Dieter W. Fellner (CW, 2014)

Procedural architecture using deformation-aware split grammars. - René Zmugg; Wolfgang Thaller; Ulrich Krispel; Johannes Edelsbrunner; Sven Havemann; Dieter W. Fellner (Vis. Comput., 2014)

A Survey of Algorithmic Shapes. - Ulrich Krispel; Christoph Schinko; Torsten Ullrich (Remote. Sens., 2015)

Geometric Enrichment of Digital Building Data in the DURAARK Project. - Ulrich Krispel; Martin Tamke; Martin Hecher; Jakob Beetz; Stefan Dietze; Dieter W. Fellner (EPS, 2016)

Geometry simplification according to semantic constraints. - Daniel Ladenhauf; René Berndt; Ulrich Krispel; Eva Eggeling; Torsten Ullrich; Kurt Battisti; Markus Gratzl-Michlmair (Comput. Sci. Res. Dev., 2016)

Constructive Roofs from Solid Building Primitives. - Johannes Edelsbrunner; Ulrich Krispel; Sven Havemann; Alexei Sourin; Dieter W. Fellner (Trans. Comput. Sci., 2016)

A Benchmark for Distance Measurements. - Ulrich Krispel; Dieter W. Fellner; Torsten Ullrich (CW, 2018)

Dynamo - dynamic 3D models for the web: a declarative approach to dynamic and interactive 3D models on the web using x3dom. - Ulrich Krispel; Volker Settgast; Dieter W. Fellner (Web3D, 2018)

Distance Measurements of CAD Models in Boundary Representation. - Ulrich Krispel; Dieter W. Fellner; Torsten Ullrich (Trans. Comput. Sci., 2020)

TEdit: A Distributed Tetrahedral Mesh Editor with Immediate Simulation Feedback. - Daniel Ströter; Ulrich Krispel; Johannes Sebastian Mueller-Roemer; Dieter W. Fellner (SIMULTECH, 2021)

Deep Learning-Powered Assembly Step Classification for Intricate Machines. - Luca Rodiga; Eva Eggeling; Ulrich Krispel; Torsten Ullrich (VISIGRAPP (4): VISAPP, 2024)